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William Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this William Lucas across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Lucas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| Additional Details | |
| Highest Grade | No 8 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1927 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Lucas | Daughter | — | 14 | ~1926 |
| Irene Lucas | Daughter | — | 7 | ~1933 |
| Dolores Lucas | Daughter | — | 9 | ~1931 |
| George Lucas | Head | — | 39 | ~1901 |
| Ends- -Here- | Other | — | — | |
| Alfred Lucas | Son | — | 11 | ~1929 |
| William Lucas | Son | — | 13 | ~1927 |
| Edward Lucas | Son | — | 3 | ~1937 |
| Mary Lucas | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Hudson, New …
Son, age 3
Hudson, New Jersey · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Poland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 13
Hudson-County, New Jersey · implied b. ~1927 — 9 household members
| Surname | Lucas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| Highest Grade | No 8 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Lucas
Son · 1940 · age 13 · b. ~1927 · New Jersey
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Sibling
Dorothy Lucas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Lucas
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Lucas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Lucas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Lucas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02403-00367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Lemcheck | 35 | Son | Laborer | Poland |
| 2 | Constantine Lemcheck | 32 | Son | """" | Poland |
| 3 | John Lemcheck | 21 | Son | Truck Driver | New Jersey |
| 4 | Wanda Lipowski | 42 | Head | Repairing | Poland |
| 5 | Stanley Czaplicki | 30 | Son-in-law | Machinist | New Jersey |
| 6 | Victoria Czaplicki | 27 | Daughter | — | New Jersey |
| 7 | Stanley Jr. Czaplicki | 1 | Grandson | — | New Jersey |
| 8 | Sydney Lipowski | 25 | Son | Sorter | New Jersey |
| 9 | Benjamin Lipowski | 17 | Son | New Worker | New Jersey |
| 10 | John Lipowski | 16 | Son | New Worker | New Jersey |
| 11 | Wanda Onysko | 20 | Daughter | New Worker | New Jersey |
| 12 | George Onysko | 1 | Grandson | — | New Jersey |
| 13 | George Lucas | 39 | Head | Mechanic | Finland |
| 14 | Mary Lucas | 34 | Wife | — | Austria |
| 15 | Dorothy Lucas | 14 | Daughter | — | New Jersey |
| 16 | William Lucas THIS PERSON | 13 | Son | — | New Jersey |
| 17 | Alfred Lucas | 11 | Son | — | New Jersey |
| 18 | Dolores Lucas | 9 | Daughter | — | New Jersey |
| 19 | Irene Lucas | 7 | Daughter | — | New Jersey |
| 20 | Edward Lucas | 3 | Son | — | New Jersey |
| 21 | Ends- Block 12 -Here- | None | - BEGINS | — | — |
| 22 | Adam Klonicke | 22 | Head | Laborer | New Jersey |
| 23 | Anna Klonicke | 26 | Wife | — | New Jersey |
| 24 | Raymond Klonicke | 0 | Son | — | New Jersey |
| 25 | Lillian Tuck | 39 | Head | — | New Jersey |
| 26 | Delphine Tuck | 2 | Daughter | — | New Jersey |
| 27 | Charles Repurski | 30 | Head | Pipefitter | New Jersey |
| 28 | Helen Repurski | 26 | Wife | — | Poland |
| 29 | Raymond Repurski | 1 | Son | — | New Jersey |
| 30 | William Repurski | 25 | Brother | Heater | New Jersey |
| 31 | Simon Kubica | 49 | Head | Laborer | Cz. Slovakia |
| 32 | Alozia Kubica | 37 | Wife | — | Austria |
| 33 | John Kubica | 4 | Son | — | New Jersey |
| 34 | Andrew Kubica | 47 | Cousin | Engineer | Cz. Slovakia |
| 35 | Walter Kazmierski | 36 | Head | Longshoreman | New Jersey |
| 36 | Anna Kazmierski | 33 | Wife | Stitcher | New Jersey |
| 37 | John Kazmierski | 12 | Son | — | New Jersey |
| 38 | Walter Jr. Kazmierski | 10 | Son | — | New Jersey |
| 39 | Eileen Kazmierski | 8 | Daughter | — | New Jersey |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)